Specifications:

Voltage: 4.5V~5.5V DC
Current: 0.2~200mA
Communication Interface: Standard SPI
Interface Voltage Level: 3.3V or 5V
Level Conversion Circuit: Convert Micro SD card signal into 3.3V,
MISO signal of the control interface theis also converted to 3.3V, general AVR microcontroller systems can read the signal

Features:

Read and Write: With the kwmobile SD card module, you can read
and write data .
Micro SD Card Connector: self bomb deck, easy card insertion.
With 4 holes for M2 screw , it is easy to install
Dimension:42mm x24mm x 12mm/1.65” x 0.94” x 0.47”(L x W x H)

Package Content:
10 x Micro SD Card Adapter